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Old 03-18-2005, 01:30 PM   #1
Scooby Specialist
Member#: 50155
Join Date: Dec 2003
Default help with my oil ASAP

is it ok to switch brands of oil if you get it completely drained? right now i hvae torco gsr-1 synthetic and the only place that has that is rallitek and i dn't want to drive to portalnd to get it changed. (i am not doing it myself). so the local place carries mobile 1 synthetic, is it ok to chnage oil brands or will it mess stuff up?

any info, or better brands that the local guy might carry?
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Old 03-18-2005, 01:41 PM   #2
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Join Date: Jun 2004
Chapter/Region: MWSOC
Location: Normal, IL

It's oil yo. Don't worry about it.
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Old 03-18-2005, 02:42 PM   #3
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well i got it changed to mobile 1 synthetic, my car hasn't blow up so all is well for now.
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Old 03-18-2005, 04:33 PM   #4
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Location: Southern Maine
'87 Dodge Ram 50


I always heard it's bad to switch brands, so I don't. Mobil1 for life.
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Old 03-18-2005, 08:27 PM   #5
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1996 Impreza LX


Lol I've heard of people mixing oil while changing their oil like a little Lucas synthetic and a little Castrol 10w 40 and a little of some other kind. Well this was my friend that mixed these, it actually seem to make his ride run better lol with no problems later on.
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Old 03-19-2005, 01:06 AM   #6
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Default help wth my oil

for years i have followed the lead of a Castrol factory rep - use Castrol Syntec Blend and alternate every other oil change with the next best Q-State. Why? dont know but at 3k-5k oil change oil the oil still looks good.
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Old 03-19-2005, 01:41 AM   #7
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Location: Fort Collins,CO
2002 Impreza 2.5RS


Yeah you can mix oils to you heart's content, no problems. The only one I can think of is if you have a LOT of miles and you're contenplating switching to synthetic.
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Old 03-19-2005, 11:26 AM   #8
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Location: Caulifornia
2004 Outback Sport


The only issue is with mixing the additives that are in the oil. Its OK to switch, just don't do it all the time.
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Old 03-19-2005, 12:55 PM   #9
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00 GC6


as long as the weights are the same there is no problem.
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Old 03-19-2005, 06:57 PM   #10
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Join Date: Mar 2005
Location: Ottawa, Ontario, Canada
2000 Impreza 2.5RS


My personal experienc from years in the field of "Fluid Power" (Hydraulics) is... No Never Mix Two Different Oils! Specially gear oil!!! Nothing may ever happen but you are rolling the dice each time you do mix oils.

If I have a need to use a different oil, all the old or other stuff is drained!

Different manufactures use different detergents, anti-foaming chemicals as well as other physical/chemical make-ups (properties) and they are not always as compatible as you may think.

The weight of the oil dosen't matter, some people mix different weights depending on the time of year. What matters is keeping the brand/manufacture and the type (synthentic or blend) of oil the same.

My advice, Don't!
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Old 03-19-2005, 08:49 PM   #11
STi Guy 69er
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Chapter/Region: W. Canada
Location: Medicine Hat
2005 Impreza 2.5 RS


It is ok to mix engine oils as long as it is the same weight. This is not true for gear oil and tranny fluid. Mixing these oils can lead to damage to the clutch and slipping.
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